Mitsubishi Heavy Industries Limited

Shinga Masuda

Keisuke Matsuyama

Tomohito Nakamori

Hiroshi Gotoda

Takuya Kurosaka

A sign detection device includes: a plurality of sensors disposed at a plurality of positions on a detection target object and configured to measure physical quantities at each position; a data acquisition unit for acquiring time-series fluctuation data of the physical quantities from the plurality of sensors; a calculation unit for calculating, from the time-series fluctuation data, a parameter indicating a correlation between the physical quantities at arbitrary two positions among the plurality of positions; and a detection unit for detecting a sign of sudden change in vibration of the detection object based on the parameter.

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Tokyo, Japan

Shinga Masuda